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Finding the Fourth Proportional to 88,970,648.80, 133,468,414.80 and 37,852,261.60

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Solution

The fourth proportional to 88,970,648.80, 133,468,414.80 and 37,852,261.60 is: 56,783,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,970,648.80 : 133,468,414.80 = 37,852,261.60 : x
  2. Step 2: Convert to fraction form
    88,970,648.80/133,468,414.80 = 37,852,261.60/x
  3. Step 3: Cross multiply
    88,970,648.80x = 133,468,414.80 × 37,852,261.60
  4. Step 4: Simplify right side
    88,970,648.80x = 5,052,081,352,346,912
  5. Step 5: Solve for x
    x = 5,052,081,352,346,912/88,970,648.80
  6. Step 6: Final answer
    x = 56,783,685.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.